Annotation of loncom/auth/lonlogin.pm, revision 1.134
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.134 ! raeburn 4: # $Id: lonlogin.pm,v 1.133 2010/03/03 17:00:01 raeburn Exp $
1.11 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.14 albertel 28:
1.1 albertel 29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
1.63 albertel 34: use Apache::lonnet;
1.12 albertel 35: use Apache::loncommon();
1.49 www 36: use Apache::lonauth();
1.50 www 37: use Apache::lonlocal;
1.71 albertel 38: use Apache::migrateuser();
1.75 www 39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
1.1 albertel 42: sub handler {
43: my $r = shift;
1.71 albertel 44:
45: &Apache::loncommon::get_unprocessed_cgi
1.79 albertel 46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 48: ['interface','username','domain','firsturl','localpath','localres',
1.123 raeburn 49: 'token','role','symb']);
1.102 raeburn 50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
1.71 albertel 53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
1.53 www 59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
1.54 www 61: &Apache::loncommon::content_type($r,'text/html');
1.1 albertel 62: $r->send_http_header;
63: return OK if $r->header_only;
64:
1.49 www 65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
1.55 www 71:
1.71 albertel 72:
1.55 www 73: # -------------------------------- Prevent users from attempting to login twice
1.95 albertel 74: my $handle = &Apache::lonnet::check_for_valid_session($r);
75: if ($handle=~/^publicuser\_/) {
1.70 www 76: # For "public user" - remove it, we apparently really want to login
1.95 albertel 77: unlink($r->dir_config('lonIDsDir')."/$handle.id");
78: } elsif ($handle ne '') {
1.55 www 79: # Indeed, a valid token is found
1.95 albertel 80: my $start_page =
81: &Apache::loncommon::start_page('Already logged in');
82: my $end_page =
83: &Apache::loncommon::end_page();
1.125 raeburn 84: my $dest = '/adm/roles';
85: if ($env{'form.firsturl'} ne '') {
86: $dest = $env{'form.firsturl'};
87: }
1.131 jms 88:
89: my $dom = &Apache::lonnet::default_login_domain();
90: my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom);
91:
92: my $loginhelp_page = $helpconfig{'helpsettings'}{'loginhelpurl'};
93: if ($loginhelp_page eq '') {
94: $loginhelp_page = '/adm/loginproblems.html';
95: }
1.100 bisitz 96: $r->print(
97: $start_page
1.103 bisitz 98: .'<h1>'.&mt('You are already logged in!').'</h1>'
1.117 hauer 99: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
1.125 raeburn 100: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.131 jms 101: .'<p><a href="'.$loginhelp_page.'">'.&mt('Login problems?').'</a></p>'
102: .$dom.' '.$end_page
1.100 bisitz 103: );
1.95 albertel 104: return OK;
1.55 www 105: }
106:
107: # ---------------------------------------------------- No valid token, continue
1.16 www 108:
1.70 www 109: # ---------------------------- Not possible to really login to domain "public"
110: if ($env{'form.domain'} eq 'public') {
111: $env{'form.domain'}='';
112: $env{'form.username'}='';
113: }
1.32 www 114: # ----------------------------------------------------------- Process Interface
1.63 albertel 115: $env{'form.interface'}=~s/\W//g;
1.16 www 116:
1.32 www 117: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.94 albertel 118:
119: my $iconpath=
120: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
121:
1.126 raeburn 122: my $lonhost = $r->dir_config('lonHostID');
1.87 raeburn 123: my $domain = &Apache::lonnet::default_login_domain();
1.126 raeburn 124: if ($lonhost ne '') {
1.133 raeburn 125: my $redirect = &check_loginvia($domain,$lonhost);
126: if ($redirect) {
127: $r->print($redirect);
128: return OK;
129: }
1.126 raeburn 130: }
131:
1.63 albertel 132: if (($env{'form.domain'}) &&
1.89 albertel 133: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 134: $domain=$env{'form.domain'};
1.46 www 135: }
1.1 albertel 136: my $role = $r->dir_config('lonRole');
137: my $loadlim = $r->dir_config('lonLoadLim');
1.90 raeburn 138: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 139: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 140: my $include = $r->dir_config('lonIncludes');
1.37 www 141: my $expire = $r->dir_config('lonExpire');
1.44 www 142: my $version = $r->dir_config('lonVersion');
1.88 albertel 143: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 144:
1.30 www 145: # --------------------------------------------- Default values for login fields
146:
1.63 albertel 147: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
148: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30 www 149:
150: # ---------------------------------------------------------- Determine own load
1.1 albertel 151: my $loadavg;
1.41 albertel 152: {
153: my $loadfile=Apache::File->new('/proc/loadavg');
154: $loadavg=<$loadfile>;
155: }
1.1 albertel 156: $loadavg =~ s/\s.*//g;
1.57 matthew 157: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41 albertel 158: my $userloadpercent=&Apache::lonnet::userload();
1.1 albertel 159:
1.30 www 160: # ------------------------------------------------------- Do the load balancing
1.80 albertel 161: my $otherserver= &Apache::lonnet::absolute_url($host_name);
1.31 www 162: my $firsturl=
1.63 albertel 163: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.97 albertel 164: # ---------------------------------------------------------- Are we overloaded?
165: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
1.47 albertel 166: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
167: if ($unloaded) { $otherserver=$unloaded; }
1.1 albertel 168: }
1.6 www 169:
1.45 www 170: # ----------------------------------------------------------- Get announcements
171: my $announcements=&Apache::lonnet::getannounce();
1.6 www 172: # -------------------------------------------------------- Set login parameters
173:
174: my @hexstr=('0','1','2','3','4','5','6','7',
175: '8','9','a','b','c','d','e','f');
176: my $lkey='';
177: for (0..7) {
178: $lkey.=$hexstr[rand(15)];
179: }
180:
181: my $ukey='';
182: for (0..7) {
183: $ukey.=$hexstr[rand(15)];
184: }
185:
186: my $lextkey=hex($lkey);
1.15 www 187: if ($lextkey>2147483647) { $lextkey-=4294967296; }
188:
1.6 www 189: my $uextkey=hex($ukey);
1.15 www 190: if ($uextkey>2147483647) { $uextkey-=4294967296; }
191:
1.31 www 192: # -------------------------------------------------------- Store away log token
1.123 raeburn 193: my $tokenextras;
194: if ($env{'form.role'}) {
195: $tokenextras = '&role='.&escape($env{'form.role'});
196: }
197: if ($env{'form.symb'}) {
1.124 raeburn 198: if (!$tokenextras) {
199: $tokenextras = '&';
200: }
1.123 raeburn 201: $tokenextras .= '&symb='.&escape($env{'form.symb'});
202: }
1.6 www 203: my $logtoken=Apache::lonnet::reply(
1.123 raeburn 204: 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
1.6 www 205: $lonhost);
1.31 www 206:
207: # ------------------- If we cannot talk to ourselves, we are in serious trouble
208:
209: if ($logtoken eq 'con_lost') {
210: my $spares='';
1.64 albertel 211: my $last;
212: foreach my $hostid (sort
213: {
1.88 albertel 214: &Apache::lonnet::hostname($a) cmp
215: &Apache::lonnet::hostname($b);
1.64 albertel 216: }
217: keys(%Apache::lonnet::spareid)) {
1.58 matthew 218: next if ($hostid eq $lonhost);
1.88 albertel 219: my $hostname = &Apache::lonnet::hostname($hostid);
220: next if ($last eq $hostname);
1.58 matthew 221: $spares.='<br /><font size="+1"><a href="http://'.
1.88 albertel 222: $hostname.
1.58 matthew 223: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 224: $hostname.'</a>'.
1.106 bisitz 225: ' '.&mt('(preferred)').'</font>'.$/;
1.88 albertel 226: $last=$hostname;
1.58 matthew 227: }
1.107 tempelho 228: $spares.= '<br />';
229: my %all_hostnames = &Apache::lonnet::all_hostnames();
230: foreach my $hostid (sort
231: {
232: &Apache::lonnet::hostname($a) cmp
233: &Apache::lonnet::hostname($b);
234: }
235: keys(%all_hostnames)) {
236: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
237: my $hostname = &Apache::lonnet::hostname($hostid);
238: next if ($last eq $hostname);
239: $spares.='<br /><a href="http://'.
240: $hostname.
241: '/adm/login?domain='.$authdomain.'">'.
242: $hostname.'</a>';
243: $last=$hostname;
244: }
245: $r->print(
246: '<html>'
247: .'<head><title>'
248: .&mt('The LearningOnline Network with CAPA')
249: .'</title></head>'
250: .'<body bgcolor="#FFFFFF">'
251: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
252: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
253: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
254: .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
255: .$spares
256: .'</body>'
257: .'</html>'
258: );
259: return OK;
260: }
1.31 www 261:
262: # ----------------------------------------------- Apparently we are in business
1.107 tempelho 263: $servadm=~s/\,/\<br \/\>/g;
1.38 www 264:
1.21 www 265: # ----------------------------------------------------------- Front page design
1.119 tempelho 266: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
267: my $font=&Apache::loncommon::designparm('login.font',$domain);
268: my $link=&Apache::loncommon::designparm('login.link',$domain);
269: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
1.107 tempelho 270: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.119 tempelho 271: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
1.107 tempelho 272: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
273: my $img=&Apache::loncommon::designparm('login.img',$domain);
1.132 bisitz 274: my $domainlogo='<div>'.&Apache::loncommon::domainlogo($domain).'</div>';
1.107 tempelho 275: my $login=&Apache::loncommon::designparm('login.login',$domain);
276: if ($login eq '') {
277: $login = $iconpath.'/'.&mt('userauthentication.gif');
278: }
1.109 raeburn 279: my $showbanner = 1;
280: my $showmainlogo = 1;
281: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
282: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
283: }
284: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
285: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
286: }
1.107 tempelho 287: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
288: my $showcoursecat =
289: &Apache::loncommon::designparm('login.coursecatalog',$domain);
290: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
291: my $shownewuserlink =
292: &Apache::loncommon::designparm('login.newuser',$domain);
293: my $now=time;
294: my $js = (<<ENDSCRIPT);
295:
1.116 bisitz 296: <script type="text/javascript" language="JavaScript">
1.122 bisitz 297: // <![CDATA[
1.107 tempelho 298: function send()
299: {
300: this.document.server.elements.uname.value
301: =this.document.client.elements.uname.value;
302:
303: this.document.server.elements.udom.value
304: =this.document.client.elements.udom.value;
305:
306: uextkey=this.document.client.elements.uextkey.value;
307: lextkey=this.document.client.elements.lextkey.value;
308: initkeys();
309:
310: this.document.server.elements.upass0.value
311: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
312: this.document.server.elements.upass1.value
313: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
314: this.document.server.elements.upass2.value
315: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
1.6 www 316:
1.107 tempelho 317: this.document.client.elements.uname.value='';
318: this.document.client.elements.upass$now.value='';
1.6 www 319:
1.107 tempelho 320: this.document.server.submit();
321: return false;
322: }
1.122 bisitz 323: // ]]>
1.107 tempelho 324: </script>
1.98 raeburn 325:
1.16 www 326: ENDSCRIPT
1.6 www 327:
1.98 raeburn 328: # --------------------------------------------------- Print login screen header
329:
1.118 tempelho 330: my %add_entries = (
1.108 tempelho 331: bgcolor => "$mainbg",
1.107 tempelho 332: text => "$font",
333: link => "$link",
334: vlink => "$vlink",
335: alink => "$alink",);
336:
337: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
338: { 'redirect' => [$expire,'/adm/roles'],
339: 'add_entries' => \%add_entries,
340: 'only_body' => 1,}));
1.98 raeburn 341:
342: # ----------------------------------------------------------------------- Texts
343:
344: my %lt=&Apache::lonlocal::texthash(
1.129 bisitz 345: 'un' => 'Username',
346: 'pw' => 'Password',
347: 'dom' => 'Domain',
348: 'perc' => 'percent',
349: 'load' => 'Server Load',
350: 'userload' => 'User Load',
351: 'catalog' => 'Course/Community Catalog',
352: 'log' => 'Log in',
353: 'help' => 'Log-in Help',
354: 'serv' => 'Server',
355: 'servadm' => 'Server Administration',
356: 'helpdesk' => 'Contact Helpdesk',
357: 'forgotpw' => 'Forgot password?',
358: 'newuser' => 'New User?',
359: );
1.98 raeburn 360: # -------------------------------------------------- Change password field name
1.131 jms 361:
1.107 tempelho 362: my $forgotpw = &forgotpwdisplay(%lt);
1.132 bisitz 363: $forgotpw .= '<br />' if $forgotpw;
1.107 tempelho 364: my $loginhelp = &loginhelpdisplay(%lt);
1.132 bisitz 365: $loginhelp .= '<br />' if $loginhelp;
1.98 raeburn 366:
367: # ---------------------------------------------------- Serve out DES JavaScript
1.107 tempelho 368: {
369: my $jsh=Apache::File->new($include."/londes.js");
370: $r->print(<$jsh>);
371: }
1.98 raeburn 372: # ---------------------------------------------------------- Serve rest of page
373:
1.107 tempelho 374: $r->print(
375: '<div class="LC_loginpage_container">');
1.6 www 376:
1.120 foxr 377: #
378: # If the loadbalancing yielded just http:// because perhaps there's no loadbalancing?
379: # then just us a relative link to authenticate:
380: #
381:
1.107 tempelho 382: $r->print(<<ENDSERVERFORM);
383: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
1.33 www 384: <input type="hidden" name="logtoken" value="$logtoken" />
385: <input type="hidden" name="serverid" value="$lonhost" />
386: <input type="hidden" name="uname" value="" />
1.65 www 387: <input type="hidden" name="upass0" value="" />
388: <input type="hidden" name="upass1" value="" />
389: <input type="hidden" name="upass2" value="" />
1.33 www 390: <input type="hidden" name="udom" value="" />
1.63 albertel 391: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
392: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 393: </form>
1.16 www 394: ENDSERVERFORM
1.108 tempelho 395: my $coursecatalog;
396: if (($showcoursecat eq '') || ($showcoursecat)) {
1.132 bisitz 397: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
1.108 tempelho 398: }
399: my $newuserlink;
400: if ($shownewuserlink) {
1.132 bisitz 401: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
1.108 tempelho 402: }
403: my $logintitle;
404: if ($loginheader eq 'text') {
1.113 tempelho 405: $logintitle ='<h2>'.$lt{'log'}.'</h2>';
1.108 tempelho 406: } else {
407: $logintitle = '<img src="'.$login.'" alt="'.
408: &mt('User Authentication').'" />';
409: }
410:
411: my $noscript_warning='<noscript><span class="LC_warning"><b>'
412: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
413: .'</b></span></noscript>';
414: my $helpdeskscript;
415: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
1.132 bisitz 416: $authdomain,\$helpdeskscript);
1.107 tempelho 417:
1.108 tempelho 418: my $loginform=(<<LFORM);
1.122 bisitz 419: <form name="client" action="" onsubmit="return(send())">
1.115 bisitz 420: <input type="hidden" name="lextkey" value="$lextkey" />
421: <input type="hidden" name="uextkey" value="$uextkey" />
1.108 tempelho 422: <b><label for="uname">$lt{'un'}</label>:</b><br />
1.130 bisitz 423: <input type="text" name="uname" id="uname" size="15" value="$authusername" /><br />
1.108 tempelho 424: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.130 bisitz 425: <input type="password" name="upass$now" id="upass$now" size="15" /><br />
1.108 tempelho 426: <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.130 bisitz 427: <input type="text" name="udom" id="udom" size="15" value="$authdomain" /><br />
1.108 tempelho 428: <input type="submit" value="$lt{'log'}" />
429: </form>
430: LFORM
431:
1.109 raeburn 432: if ($showbanner) {
433: $r->print(<<HEADER);
434: <!-- The LON-CAPA Header -->
1.132 bisitz 435: <div style="background:$pgbg;margin:0;width:100%;">
436: <img src="$img" border="0" alt="The Learning Online Network with CAPA" />
437: </div>
1.109 raeburn 438: HEADER
439: }
440: $r->print(<<ENDTOP);
1.118 tempelho 441: <div class="LC_loginpage_space"> </div>
442: <div class="LC_loginpage_floatLeft">
1.108 tempelho 443: <div class="LC_loginpage_loginContainer">
1.112 muellerd 444: $logintitle
445: <table border="0" align="left" cellspacing="1" cellpadding="2" width="100%">
1.108 tempelho 446: <tr>
447: <td>
448: $loginform
449: </td>
450: </tr>
451: </table>
452: $noscript_warning
453: </div>
1.107 tempelho 454:
455: <div class="LC_loginpage_loginInfo">
1.132 bisitz 456: $loginhelp
457: $forgotpw
458: $contactblock
459: $newuserlink
1.130 bisitz 460: $coursecatalog
1.107 tempelho 461: </div>
1.118 tempelho 462: </div>
463: ENDTOP
464: if ($showmainlogo) {
465: $r->print(' <img src="'.$logo.'" alt="" />'."\n");
466: }
467: $r->print(<<ENDTOP);
468: $announcements
469: $domainlogo
1.107 tempelho 470: <div class="LC_loginpage_space"> </div>
1.108 tempelho 471: ENDTOP
472:
473: $r->print(<<ENDDOCUMENT);
1.115 bisitz 474: <table border="0" cellspacing="0" cellpadding="0">
1.14 albertel 475: <tr>
1.110 muellerd 476: <td align="left" valign="top">
1.132 bisitz 477: <small><b>$lt{'dom'}: </b></small>
1.14 albertel 478: </td>
1.110 muellerd 479: <td align="left" valign="top">
1.14 albertel 480: <small><tt> $domain</tt></small>
481: </td>
482: </tr>
483: <tr>
1.110 muellerd 484: <td align="left" valign="top">
1.132 bisitz 485: <small><b>$lt{'serv'}: </b></small>
1.14 albertel 486: </td>
1.110 muellerd 487: <td align="left" valign="top">
1.14 albertel 488: <small><tt> $lonhost ($role)</tt></small>
489: </td>
490: </tr>
491: <tr>
1.110 muellerd 492: <td align="left" valign="top">
1.132 bisitz 493: <small><b>$lt{'load'}: </b></small>
1.14 albertel 494: </td>
1.110 muellerd 495: <td align="left" valign="top">
1.51 www 496: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 497: </td>
498: </tr>
499: <tr>
1.110 muellerd 500: <td align="left" valign="top">
1.132 bisitz 501: <small><b>$lt{'userload'}: </b></small>
1.42 albertel 502: </td>
1.110 muellerd 503: <td align="left" valign="top">
1.51 www 504: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 505: </td>
506: </tr>
1.132 bisitz 507: <tr>
508: <td colspan="2" align="left">
509: <small>$version</small>
510: </td>
511: </tr>
1.14 albertel 512: </table>
1.107 tempelho 513: </div>
1.25 bowersj2 514:
1.59 albertel 515: <script type="text/javascript">
1.122 bisitz 516: // <![CDATA[
1.59 albertel 517: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 518: if ( document.client.uname ) { document.client.uname.focus(); }
1.122 bisitz 519: // ]]>
1.25 bowersj2 520: </script>
1.62 raeburn 521: $helpdeskscript
1.14 albertel 522:
1.1 albertel 523: ENDDOCUMENT
1.98 raeburn 524: my %endargs = ( 'noredirectlink' => 1, );
525: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 526: return OK;
1.60 raeburn 527: }
528:
1.133 raeburn 529: sub check_loginvia {
530: my ($domain,$lonhost) = @_;
531: if ($domain eq '' || $lonhost eq '') {
532: return;
533: }
534: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
535: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
536: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
537: my $output;
538: if ($loginvia ne '') {
539: my $noredirect;
540: my $ip = $ENV{'REMOTE_ADDR'};
541: if ($ip eq '127.0.0.1') {
542: $noredirect = 1;
543: } else {
544: if ($loginvia_exempt ne '') {
545: my @exempt = split(',',$loginvia_exempt);
546: if (grep(/^\Q$ip\E$/,@exempt)) {
547: $noredirect = 1;
548: }
549: }
550: }
551: unless ($noredirect) {
552: my ($newhost,$path);
553: if ($loginvia =~ /:/) {
554: ($newhost,$path) = split(':',$loginvia);
555: } else {
556: $newhost = $loginvia;
557: }
558: if ($newhost ne $lonhost) {
559: if (&Apache::lonnet::hostname($newhost) ne '') {
560: $output = &redirect_page($newhost,$path);
561: }
562: }
563: }
564: }
565: return $output;
566: }
567:
1.126 raeburn 568: sub redirect_page {
1.133 raeburn 569: my ($desthost,$path) = @_;
1.126 raeburn 570: my $protocol = $Apache::lonnet::protocol{$desthost};
571: $protocol = 'http' if ($protocol ne 'https');
1.133 raeburn 572: unless ($path =~ m{^/}) {
573: $path = '/'.$path;
574: }
575: my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).$path;
1.126 raeburn 576: if ($env{'form.firsturl'} ne '') {
577: $url .='?firsturl='.$env{'form.firsturl'};
578: }
579: my $start_page = &Apache::loncommon::start_page('Switching Server',undef,
580: {'redirect' => [0,$url],});
581: my $end_page = &Apache::loncommon::end_page();
582: return $start_page.$end_page;
583: }
584:
1.60 raeburn 585: sub contactdisplay {
1.132 bisitz 586: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript) = @_;
1.60 raeburn 587: my $contactblock;
1.62 raeburn 588: my $showhelpdesk = 0;
589: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
590: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
591: $showhelpdesk = 1;
592: }
1.90 raeburn 593: if ($servadm && $showadminmail) {
1.130 bisitz 594: $contactblock .= $$lt{'servadm'}.':<br />'.
595: '<tt>'.$servadm.'</tt><br />';
1.90 raeburn 596: }
1.60 raeburn 597: if ($showhelpdesk) {
1.114 tempelho 598: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75 www 599: my $thisurl = &escape('/adm/login');
1.62 raeburn 600: $$helpdeskscript = <<"ENDSCRIPT";
601: <script type="text/javascript">
1.122 bisitz 602: // <![CDATA[
1.62 raeburn 603: function helpdesk() {
604: var codedom = document.client.udom.value;
605: if (codedom == '') {
606: codedom = "$authdomain";
607: }
608: var querystr = "origurl=$thisurl&codedom="+codedom;
609: document.location.href = "/adm/helpdesk?"+querystr;
610: return;
611: }
1.122 bisitz 612: // ]]>
1.62 raeburn 613: </script>
614: ENDSCRIPT
1.60 raeburn 615: }
616: return $contactblock;
617: }
1.83 raeburn 618:
619: sub forgotpwdisplay {
1.84 raeburn 620: my (%lt) = @_;
1.83 raeburn 621: my $prompt_for_resetpw = 1;
622: if ($prompt_for_resetpw) {
1.107 tempelho 623: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84 raeburn 624: }
625: return;
626: }
627:
628: sub loginhelpdisplay {
629: my (%lt) = @_;
630: my $login_help = 1;
631: if ($login_help) {
1.131 jms 632: my $dom = &Apache::lonnet::default_login_domain();
633: my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom);
634: my $loginhelp_url = $helpconfig{'helpsettings'}{'loginhelpurl'};
635: if ($loginhelp_url ne '') {
636: return '<a href="'.$loginhelp_url.'">'.$lt{'help'}.'</a>';
637: } else {
638: return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
639: }
1.83 raeburn 640: }
641: return;
642: }
1.1 albertel 643:
1.90 raeburn 644: sub coursecatalog_link {
645: my ($linkname) = @_;
646: return <<"END";
1.134 ! raeburn 647: <span class="LC_nobreak"><a href="/adm/coursecatalog">$linkname</a></span>
1.90 raeburn 648: END
649: }
650:
1.101 raeburn 651: sub newuser_link {
652: my ($linkname) = @_;
1.130 bisitz 653: return '<a href="/adm/createaccount">'.$linkname.'</a>';
1.101 raeburn 654: }
655:
1.1 albertel 656: 1;
657: __END__
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